Nathan Whitecloud Walton

Clayton Williams Energy, Inc. engages in the exploration and production of oil and natural gas. It operates through two segments: Oil and Gas Exploration & Production; and Contract Drilling Services. The company was founded by Clayton W. Williams in September 1991 and is headquartered in Midland, TX.

Gastar Exploration LLC engaged in the exploration, development and production of oil, natural gas, condensate and natural gas liquids. Its principal business activities included the identification, acquisition, and subsequent exploration and development of oil and natural gas properties with an emphasis on unconventional reserves, such as shale resource plays. The company was founded by Thomas E. Robinson in 1987 and is headquartered in Houston, TX.

Stream Global Services, Inc. provides business process outsourcing services. It specializes in customer relationship management including technical support, customer care, and sales. The firm serves the technology, computing, telecommunications, retail, entertainment and media, and financial services companies. The company was founded on June 26, 2007 and is headquartered in St. Paul, MN.

Blackbrush Oil & Gas LP explores, develops and produces oil and gas. It provides investment opportunities in the oil and gas industry. The company was founded by Philip M. Mezey and is headquartered in San Antonio, TX.

Integradora de Servicios Petroleros Oro Negro SAPI de CV developed and promoted oil field services. The company was founded in February 2012 and was headquartered in Mexico City, Mexico.

Epic Midstream LLC provides petroleum products storage and logistics solutions. It offers oil and gas facility operations, management, and strategic development. The company was founded by Thomas Sikorski, Jerker Johansson and Graeme Sword in 2011 and is headquarters in Houston, TX.

Verdad Resources Holdings LLC functions as an investment holding private company. The company is based in Dallas, TX.

Development Capital Resources LLC engages in the provision of oil and gas exploration services. The company was founded in 2017 and is headquartered in Houston, TX.